English definition of “indeed”
EMPHASIS › used to add emphasis after 'very' followed by an adjective or adverb: For a four-year-old, her vocabulary is very good indeed. Thank you very much indeed.
REACTION › used when someone has said something that surprises, interests, or annoys you: "She asked if you were married." "Did she, indeed? "
TRUE › used to emphasize that something is true or that you agree with it: "He sounds a very interesting man." "He is indeed."
MORE formal › used when you say more to support or develop what has already been said: For such creatures speed is not important, indeed it is counterproductive.